nostr challenge creation works

src/services/nostrService.js

@@ -0,0 +1,15 @@
+const uuid = require("uuid");
+const crypto = require("crypto");
+
+const NostrChallengeCreated = require('../models/NostrChallengeCreated');
+
+async function createNostrChallenge() {
+    const nostrChallenge = await NostrChallengeCreated.create({
+        'uuid': uuid.v7(),
+        challenge: crypto.randomBytes(32).toString("hex"),
+        created_at: new Date().toISOString()
+    });
+    return nostrChallenge;
+}
+
+exports.createNostrChallenge = createNostrChallenge;